Simple method tests cables


Posted on Mar 24, 2013

This method is sometimes impractical, however, because it cannot check for short circuits. The method shown in Figure 1 solves the short-circuit problem. Connecting LED indicators at each shorting loop provides a visual indication. The beauty of this scheme is that any short circuit causes at least one LED to extinguish. You can then diagnose the malfunction by the visual signature of the LEDs.






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